a Tax preparation and accounting firm providing services
to small and medium companies.

Big savings on small business tax prep. Affordable expertise year-round.

maximize your tax outcome
with a certified tax expert

Stanley Mroz, CPA

Stan Mroz is a leading tax and accounting company serving in Coachella Valley for 47 years. We offer a wide range of accounting services, including payroll and bookkeeping. We offer a personalized approach to each and every client. We serve both Northern and Southern California, primarily the Coachella Valley.


See what small business owners have to say about us.

  • ★★★★★

    “Stan Mroz has been doing our tax returns for 10+ years. It is great to work with a knowledgeable professional. We would highly recommend Stan Mroz.”

    -Ed D.

  • ★★★★★

    “Stan Mroz has been my CPA for 15 years and is great! My physician friends use This firm and swear by it. The best customer service I've ever seen.”

    - Randy Alvarez, CEO of the Wellness Hour Television Show

  • ★★★★★

    “Stanley was referred to me by a co-worker that has trusted him with her business and finances for years. I was able to get the appointment time I requested.”

    -Laurie J.

Affordable expertise, year-round

  • Bookkeeping

    Accurate record-keeping is essential to a successful business of any stature. We offer full-charge bookkeeping.

  • Tax Planning

    Your business has a large impact on your taxes. We ensure your taxes will be planned and returns are filed properly.

  • Payroll Services

    We assist in helping choose the best payroll processing companies for you and make the necessary year-end adjustments for your company officers.

  • Foreign Nationals

    Stan has helped many Nonresident aliens/foreign nationals seeking assistance with filling US taxes.

save big on small & Medium business tax preparations

If you are looking for expert accountants to manage your finances, Stan Mroz CPA is the right place to be. We take the burden of handling finance off your hands and keep track of your tax planning. We also ensure your taxes are planned and returns are filed properly. Contact us today, so your tax returns are prepared and filed properly.


Stan Mroz Company specializes in providing tax and financial reporting needs for small businesses of all kinds. This includes bookkeeping, accounting, foreign national assistance, and CPA services. Stan will take the time to listen and understand you and your challenges more than most.

To learn more or set up a free consultation please fill out the form!